High-Flow Nasal Cannula vs. NIV After Extubation in Children Undergoing Heart Surgery

Participants in this arm will receive High Flow Nasal Cannula therapy using the Airvo™3 Nasal High Flow System immediately after planned extubation following cardiac surgery

Participants in this arm will receive Non-Invasive Ventilation (NIV) immediately after planned extubation following cardiac surgery. NIV will be delivered using standard ICU ventilator settings, with parameters tailored to each patient's clinical condition